Access and Terminals (AT). Ordinary quality voice bandwidth 4-wire analogue leased line (A4O). Connection characteristics and network interface presentation

UNGÜLTIG herausgegeben am 1.2.2002

Business TeleCommunications (BTC) Special quality voice bandwidth 4-wire analogue leased line (A4S). Connection characteristics and network interface presentation

Die Norm herausgegeben am 1.9.1999

Access and Terminals (AT). Special quality voice bandwidth 4-wire analogue leased line (A4S). Connection characteristics and network interface presentation

Die Norm herausgegeben am 1.6.2004

Access and Terminals (AT). Special quality voice bandwidth 4-wire analogue leased line (A4S). Connection characteristics and network interface presentation

UNGÜLTIG herausgegeben am 1.2.2002

Business TeleCommunications (BTC) Ordinary and Special quality voice bandwidth 4-wire analogue leased lines (A4O and A4S). Terminal equipment interface

Die Norm herausgegeben am 1.9.1999

Access and Terminals (AT). Ordinary and Special quality voice bandwidth 4-wire analogue leased lines (A4O and A4S). Terminal equipment interface

Die Norm herausgegeben am 1.2.2002

Rádio Equipment and Systems (RES). Wide band audio links. Technical characteristics and test methods

Die Norm herausgegeben am 1.12.2000

ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM). Wide band audio links. Part 1: Technical characteristics and test methods

Die Norm herausgegeben am 1.5.2001

Electromagnetic compatibility and Radio spectrum Matters (ERM). Wide band audio links. Part 2: Harmonized EN under article 3.2 of the R&TTE Directive

Die Norm herausgegeben am 1.5.2001

Broadband Integrated Services Digital Network (B-ISDN). Broadband Virtual Path Service (BVPS). Part 1: BVPS for Permanent communications (BVPS-P)

Die Norm herausgegeben am 1.8.1998